Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5681309 | Distractor mechanism for external fixation device | John D. Ross, John G. Birch | 1997-10-28 |
| 5630814 | Fastener for external fixation device wires and pins | John D. Ross, John G. Birch | 1997-05-20 |